POINT • CIRCLE • CIRCLE

One Circle Inside Another, Point Inside Larger Circle

Number of solutions: 4

GeoGebra construction

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Steps

  1. Choose the circle of inversion so that its center is at the given point.
  2. Apply the inversion to both given circles.
  3. In the chosen inversion, the solution circles are mapped to the common tangents of the images of the two circles.
  4. Invert the found tangents back to obtain the solution circles.
  5. The problem has four solutions.